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vars.c revision 1.18.16.1 
      1 /* $NetBSD: vars.c,v 1.18.16.1 2020/04/08 14:07:18 martin Exp $	 */
      2 /*-
      3  * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Konrad E. Schroder <perseant (at) hhhh.org>.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/param.h>
     32 #include <sys/time.h>
     33 #include <sys/mount.h>		/* XXX */
     34 #include <ufs/lfs/lfs.h>
     35 #include "fsck.h"
     36 
     37 /* variables previously of file scope (from fsck.h) */
     38 struct dups *duplist;		/* head of dup list */
     39 struct dups *muldup;		/* end of unique duplicate dup block numbers */
     40 
     41 struct zlncnt *zlnhead;		/* head of zero link count list */
     42 struct zlncnt *orphead = NULL;	/* head of "properly orphaned" list */
     43 
     44 struct lfs *fs;
     45 
     46 daddr_t idaddr;			/* inode block containing ifile inode */
     47 long numdirs, listmax, inplast;
     48 
     49 char nflag;			/* assume a no response */
     50 char yflag;			/* assume a yes response */
     51 int bflag;			/* location of alternate super block */
     52 int debug;			/* output debugging info */
     53 int exitonfail;
     54 int preen;			/* just fix normal inconsistencies */
     55 char havesb;			/* superblock has been read */
     56 char skipclean;			/* skip clean file systems if preening */
     57 int fsmodified;			/* 1 => write done to file system */
     58 int fsreadfd;			/* file descriptor for reading file system */
     59 int rerun;			/* rerun fsck.  Only used in non-preen mode */
     60 
     61 daddr_t maxfsblock;		/* number of blocks in the file system */
     62 #ifndef VERBOSE_BLOCKMAP
     63 char *blockmap;			/* ptr to primary blk allocation map */
     64 #else
     65 ino_t *blockmap;
     66 #endif
     67 ino_t maxino;			/* number of inodes in file system */
     68 ino_t lastino;			/* last inode in use */
     69 char *statemap;			/* ptr to inode state table */
     70 char *typemap;			/* ptr to inode type table */
     71 int16_t *lncntp;		/* ptr to link count table */
     72 
     73 ino_t lfdir;			/* lost & found directory inode number */
     74 int lfmode = 01700;		/* lost & found directory creation mode */
     75 
     76 daddr_t n_blks;			/* number of blocks in use */
     77 ino_t n_files;			/* number of files in use */
     78 
     79 int no_roll_forward = 0;	/* don't roll forward */
     80 
     81 struct inoinfo **inphead, **inpsort;
     82